110.8% is the change from 398 to 839
Calculation steps:
[( 839 - 398 ) ÷ 398] x 100 = 110.8%
Formula
Percentage change = [(839 - 398) / 398] x 100
Subtract the new number by the original number
839 - 398 = 441
441 ÷ 398 = 1.1080402010050252
1.1080402010050252 x 100 = 110.8%